Reed Switches

Littelfuse Reed Switches are ideal for battery-powered applications and automotive safety products. Reed switches have two ferromagnetic blades contained within a tubular glass envelope that is hermetically sealed at each end. Switches are activated by a permanent magnet or an electromagnet, and the reed switch and magnetic field combination is commonly known as the "magnetic circuit."

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Description Datasheet Availability Pricing (GBP) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Switch Type
Contact Form
Operate Range
Voltage Rating AC
Color
Mounting Style
Termination Style
Packaging
Littelfuse Magnetic/Reed Switches MLRR-4 17-28
Datasheet
828In Stock
Min.: 1
Mult.: 1

Sub-Miniature SPST 17 AT to 28 AT 140 VAC Clear PCB Mount Axial Case
Littelfuse Magnetic/Reed Switches MLRR-4 27-33
Datasheet
701In Stock
Min.: 1
Mult.: 1

Sub-Miniature SPST 27 AT to 33 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches NO 27-38AT
Datasheet
192In Stock
Min.: 1
Mult.: 1

Miniature SPST 27 AT to 38 AT 265 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches NO 32-38AT
Datasheet
67In Stock
Min.: 1
Mult.: 1

Miniature SPST 32 AT to 38 AT 265 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches MLRR-3 22-28
Datasheet
936In Stock
Min.: 1
Mult.: 1

Miniature SPST 22 AT to 28 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches MISM-7LR 10-15AT Before Mod
Datasheet
1In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SPST-NO 120 VAC SMD/SMT SMD/SMT Reel, Cut Tape, MouseReel
Littelfuse Magnetic/Reed Switches MITI-7L-6-10 Standard Sort
Datasheet
1,481Expected 29/09/2026
Min.: 1
Mult.: 1

SPST-NO 120 VAC PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches NO 27-33AT
Datasheet
2,000Expected 18/08/2026
Min.: 1
Mult.: 1

Miniature SPST 27 AT to 33 AT 265 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches 59165-1-S-00-C SENS
Datasheet
1,000Expected 05/10/2026
Min.: 1
Mult.: 1

Miniature SPST 10 AT to 15 AT 140 VAC Black PCB Mount Gull Wing Lead Bulk
Littelfuse Magnetic/Reed Switches NO 15-20AT 6.5mm Overmolded Sensor
Datasheet
1,500Expected 08/10/2026
Min.: 1
Mult.: 1
: 1,500

Miniature SPST 15 AT to 20 AT 140 VAC Black PCB Mount Gull Wing Lead Reel, Cut Tape
Littelfuse Magnetic/Reed Switches SWITCH REED
Datasheet
923Expected 26/10/2026
Min.: 1
Mult.: 1

Sub-Miniature SPST 32 AT to 38 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches MLRR-4 32-38
Datasheet
808Expected 24/11/2026
Min.: 1
Mult.: 1

Sub-Miniature SPST 32 AT to 38 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches 22-28AT NO 100V 10W 19.7MM REED
Datasheet
396Expected 01/02/2027
Min.: 1
Mult.: 1

Miniature SPST 22 AT to 28 AT Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches MDRR-DT-20-35-F
Datasheet
1,000Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Miniature SPDT 20 AT to 35 AT 120 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches SWITCH REED
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 3,000
Mult.: 3,000
: 3,000

Sub-Miniature SPST 32 AT to 38 AT 140 VAC Clear PCB Mount Axial Reel
Littelfuse Magnetic/Reed Switches 59050-1-U-00-0 SENS
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1,000
Mult.: 200

Miniature SPST 22 AT to 28 AT 140 VAC Black PCB Mount Through Hole Bulk
Littelfuse Magnetic/Reed Switches 59050-1-V-00-0 SENS
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1,000
Mult.: 200

Miniature SPST 140 VAC Black PCB Mount Through Hole Bulk
Littelfuse Magnetic/Reed Switches 59165-1-T-00-C SENS
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 1,000
Mult.: 1,000

Miniature SPST 15 AT to 20 AT 140 VAC Black PCB Mount Gull Wing Lead Bulk
Littelfuse Magnetic/Reed Switches 59165-1-U-00-C SENS
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 1,000
Mult.: 1,000

Miniature SPST 20 AT to 25 AT 140 VAC Black PCB Mount Gull Wing Lead Bulk
Littelfuse Magnetic/Reed Switches 59170-1-U-00-C SENS
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 1,500
Mult.: 1,500

Sub-Miniature SPST 20 AT to 25 AT 140 VAC Black PCB Mount Gull Wing Lead Bulk
Littelfuse Magnetic/Reed Switches 50-55AT CO 500V 30W 39.7MM REED
Datasheet
Non-Stocked Lead-Time 50 Weeks
Min.: 1,000
Mult.: 100

Reed SPDT 50 AT to 55 AT Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches 50-60AT CO 500V 30W 39.7MM REED
Datasheet
Non-Stocked Lead-Time 50 Weeks
Min.: 1,000
Mult.: 1,000

Reed SPDT 50 AT to 60 AT Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches 55-60AT CO 500V 30W 39.7MM REED
Datasheet
Non-Stocked Lead-Time 50 Weeks
Min.: 1
Mult.: 1

Reed SPDT 55 AT to 60 AT Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches 65-70AT CO 500V 30W 39.7MM REED
Datasheet
Non-Stocked Lead-Time 50 Weeks
Min.: 1,000
Mult.: 1,000

Reed SPDT 65 AT to 70 AT Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches 70-75AT CO 500V 30W 39.7MM REED
Datasheet
Non-Stocked Lead-Time 50 Weeks
Min.: 1,000
Mult.: 1,000

Reed SPDT 70 AT to 75 AT Clear PCB Mount Axial Bulk